1 乘法 28 等于多少？

1 × 29 = 29 1 × 27 = 27 1 × 30 = 30 1 × 26 = 26 1 × 31 = 31 1 × 25 = 25 1 × 32 = 32 1 × 24 = 24 2 × 28 = 56 3 × 28 = 84 4 × 28 = 112 5 × 28 = 140 6 × 28 = 168 7 × 28 = 196 8 × 28 = 224 9 × 28 = 252 2 × 14 = 28 4 × 7 = 28 7 × 4 = 28 14 × 2 = 28 28 × 1 = 28 91 × 94 = 8554 99 × 70 = 6930 57 × 15 = 855 75 × 40 = 3000 14 × 49 = 686 56 × 76 = 4256 41 - 13 = 28 44 - 16 = 28 84 - 56 = 28